k*r New Orleans dispatches, of April 0, re* e port that a conflict'U Imminent between i, the whites and negroes of Qrant Parish. I* The Steamer Shamrock Is sank belowX Vicksburg, Mlsa.The Connecticut river has overflowedbIts banks at Aberdeen, Mass., and washed away about 150 fret of the railway trackU adjoining.John Samuel shot and Instantly killed I lotElihu A. Marchwit, at San Francisco, onJ April 10.Wni. Huston, a laborer, in attemptingfA (hn mil) tmln til Whllfhtll. III..W